Charities United States Community Development Dimond Improvement Association
DI

Dimond Improvement Association

Dia enlists residents, businesses & groups for clean-up and beautification efforts, community events, business development, crime reduction, and streetscape improvements in the dimond.

Community Development Oakland, CA EIN 300590727 · IRS Sign up to see website
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93
Integrity Assessment
Strong transparency
93/100 · methodology

About Dimond Improvement Association

No organisational description on file yet. The metadata below comes directly from the official registry.

Founded
Headquarters
Oakland, CA
Foundation type
Supporting organization (509(a)(3))
NTEE code
S20
IRS subsection
501(c)(03)
Ruling date
Size
small

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2015

Mission

Dia enlists residents, businesses & groups for clean-up and beautification efforts, community events, business development, crime reduction, and streetscape improvements in the dimond.

Focus areas & reach

· What they work on and where
Community Development · NTEE S20
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.
SDG 11 SDG 11 · Sustainable Cities and Communities Make cities and human settlements inclusive, safe, resilient, and sustainable.

How it stacks up against peers

· vs. 4 similar community development in United States
Program spending This charity: 92%
Peer average: 92%
CEO comp as % of revenue This charity: 3.48%
Peer average: 0.48%
Integrity Assessment This charity: 93
Peer average: 93

Red flags

· All clear
IRS revocation history
Open investigations
Governance scandals
Related-party deals
Excessive exec comp

Where every $1 goes

$0.92
Program expenses$0.92 ($127,742)
92% to programs beats the peer average (92%) and beats the Charity Navigator "highly efficient" threshold (75%).

Common questions

· Auto-generated from filings + methodology

Dimond Improvement Association is a registered community development nonprofit based in Oakland, CA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 1953 and has been operating for 73 years. Its EIN is 300590727. It has a GiveRadar Integrity Assessment of 93/100 (Strong transparency), indicating well-documented governance, financials, and contact details. The organization reports $170K in annual revenue. 90 officers and directors are publicly disclosed. No red flags have been detected.

Dimond Improvement Association has a GiveRadar Integrity Assessment of 93/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 93 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 92% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for community development charities in United States is 93/100.

Dimond Improvement Association is located in Oakland, CA, United States. The organization was established in 1953 and has been active for 73 years.

Based on official tax filings, Dimond Improvement Association has $170K in annual revenue. It allocates 92% of expenses to programs and services. This is in line with the average of 92% for community development charities in United States. Its revenue is below the peer average of $3M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Dimond Improvement Association is classified as a Community Development organization, registered in United States. It operates as a Supporting organization (509(a)(3)). By size, it is categorized as a small organization. It has $170K in annual revenue. The organization has 90 disclosed officers and directors.

No red flags have been detected for Dimond Improvement Association. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.

Dimond Improvement Association has a GiveRadar Integrity Assessment of 93/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the IRS. 92% of expenses go to programs. The peer average is 92%. Visit the Dimond Improvement Association profile on GiveRadar for full details before deciding. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.

Dia enlists residents, businesses & groups for clean-up and beautification efforts, community events, business development, crime reduction, and streetscape improvements in the dimond. Dimond Improvement Association is classified as a community development organization registered in United States. The organization was founded in 1953.

Among community development charities registered in United States: Dimond Improvement Association's GiveRadar Integrity Assessment of 93/100 is in line with the peer average of 93/100. It allocates 92% of expenses to programs, in line with the peer average of 92%. Its annual revenue of $170K is below the peer average of $3M.

Yes, donations to Dimond Improvement Association are generally tax-deductible in the United States. Dimond Improvement Association is a 501(c)(3) tax-exempt organization. Its EIN is 300590727, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Verified against 4 official sources, last refreshed .

Annual revenue
$100K-$1M
92% to programs
Source: IRS 990 (FY2025) why this matters
Unlock exact figures

Filing history

6 years on file from IRS 990 (FY2025): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2025, FY2024, FY2023, FY2022, FY2021, FY2020.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Leadership

DA
David Gross
Chair Fy2026

Officers & trustees (25)

Source: Public filings

AL
Alex P•••
TREASURER
AN
Anoush J••••••••••••••
BOARD MEMBER
BE
Ben S•••••••••••••
BOARD MEMBER
BR
Bret P•••••••
BOARD MEMBER
CH
Charlie D••••••••
BOARD MEMBER
CH
Chris H•••••
BOARD MEMBER
CH
Chris P••••••••
BOARD MEMBER
DA
Daniel S•••••••
BOARD MEMBER
DA
David G••••
SECRETARY
ER
Erica P••••
BOARD MEMBER
FR
Fran D••••••
BOARD MEMBER
HE
Heather H•••••
BOARD MEMBER
JA
Jay A••••••
BOARD MEMBER
JO
Joann T••••••••••••
BOARD MEMBER
JU
Judy K••••••
BOARD MEMBER
JU
Julie J••••••
BOARD MEMBER
KE
Kevin W•••••••••••
CHAIR
KE
Kevn W•••••••••••
BOARD MEMBER
LI
Lindsey B••••••
BOARD MEMBER
MA
Marion M••••
BOARD MEMBER
MA
Marjorie J••••
BOARD MEMBER
MA
Marty W•••••
BOARD MEMBER
MA
May S•••••••••
BOARD MEMBER
MI
Michaela G•••••••
BOARD MEMBER
MI
Michaela S•••••••••••••••
BOARD MEMBER
Full names, contact details & compensation

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
$0.2M revenue
FY2025
IRS_990
Form filed
$0.2M revenue
FY2024
IRS_990
Form filed
$0.1M revenue
FY2023
IRS_990
Form filed
$0.0M revenue
FY2022
IRS_990
Form filed
$0.0M revenue
FY2021
IRS_990
Form filed
$0.1M revenue
FY2020
IRS_990

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Peer charities

Other community development in United States, by integrity assessment

Charity Score Revenue Program %
Dimond Improvement Association This page 93 $169,663 92%
Certified Development Corporation of South Carolina 93 $569,341 89%
Campus District Inc 93 $633,659 95%
2c8 Corporation 93 $396,855 93%
Meals on Wheels of Lamoille County Inc 93 $807,501 91%

Sources and verification

Refreshed

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2025 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 90 disclosed in the public registry.
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 12, 2026
Profile completeness
80%

What we don't know

Honest gaps - our score reflects transparency, not impact

Programs & projects
No named programs listed by the charity
Operating reach
Countries where programs run not specified

Methodology

GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.

Read full methodology

Quick facts about Dimond Improvement Association

What is Dimond Improvement Association?
Dimond Improvement Association is a community development supporting organization (509(a)(3)) based in Oakland, United States. Dia enlists residents, businesses & groups for clean-up and beautification efforts, community events, business development, crime reduction, and streetscape improvements in the dimond.
When was Dimond Improvement Association founded?
Dimond Improvement Association was founded in 1953.
Who leads Dimond Improvement Association?
David Gross serves as Chair Fy2026.
Where is Dimond Improvement Association located?
Headquartered in Oakland, United States.
What is Dimond Improvement Association's annual budget?
Annual revenue for fiscal year 2025 is approximately $100K-$1M. 92% of expenses go to program services.
Is Dimond Improvement Association trustworthy?
Dimond Improvement Association has a GiveRadar Integrity Assessment of 93 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
What is Dimond Improvement Association's registration number?
IRS EIN: 300590727.
What is Dimond Improvement Association's website?
https://www.dimondnews.org/